class.ilAdministrationExplorer.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

/*
* Administration Explorer
*
* @author Alex Killing <alex.killing@gmx.de>
* @version $Id$
*
*/

require_once("./Services/UIComponent/Explorer/classes/class.ilExplorer.php");

class ilAdministrationExplorer extends ilExplorer
{

        var $root_id;
        var $output;
        var $ctrl;
        function ilAdministrationExplorer($a_target)
        {
                global $tree,$ilCtrl,$lng;

                $this->ctrl = $ilCtrl;

                parent::ilExplorer($a_target);
                $this->tree = $tree;
                $this->root_id = $this->tree->readRootId();
                $this->order_column = "title";
                $this->setSessionExpandVariable("expand");
                $this->setTitle($lng->txt("overview"));
        }

        function formatHeader(&$tpl, $a_obj_id,$a_option)
        {
                global $lng, $ilias, $objDefinition;
                
                if ($_GET["admin_mode"] == "settings")
                {
                        return;
                }

                $tpl->setCurrentBlock("icon");
                $tpl->setVariable("ICON_IMAGE" , ilUtil::getImagePath("icon_root.png"));
                $tpl->setVariable("TXT_ALT_IMG", $lng->txt("repository"));
                $tpl->parseCurrentBlock();

                $class_name = $objDefinition->getClassName("root");
                $class = strtolower("ilObj".$class_name."GUI");
                $this->ctrl->setParameterByClass($class, "ref_id", ROOT_FOLDER_ID);
                $link = $this->ctrl->getLinkTargetByClass($class, "view");

                $tpl->setCurrentBlock("link");
                $tpl->setVariable("TITLE", $lng->txt("repository"));
                $tpl->setVariable("LINK_TARGET", $link);
                $tpl->setVariable("TARGET", " target=\"content\"");
                $tpl->parseCurrentBlock();

                $tpl->setCurrentBlock("element");
                $tpl->parseCurrentBlock();

        }

        function buildLinkTarget($a_node_id, $a_type)
        {
                global $ilCtrl, $objDefinition;

                if ($a_type == "" || $a_type == "xxx")
                {
                        return;
                }
                if ($_GET["admin_mode"] == "settings" && $a_node_id == ROOT_FOLDER_ID)
                {
                        $this->ctrl->setParameterByClass("iladministrationgui", "ref_id", ROOT_FOLDER_ID);
                        $this->ctrl->setParameterByClass("iladministrationgui", "admin_mode", "repository");
                        $link = $this->ctrl->getLinkTargetByClass("iladministrationgui", "frameset");
                        $this->ctrl->setParameterByClass("iladministrationgui", "admin_mode", "settings");
                }
                else
                {
                        $class_name = $objDefinition->getClassName($a_type);
                        $class = strtolower("ilObj".$class_name."GUI");
                        $this->ctrl->setParameterByClass($class, "ref_id", $a_node_id);
                        $link = $this->ctrl->getLinkTargetByClass($class, "view");
                }
                return $link;
        }
        
        function buildFrameTarget($a_type, $a_child = 0, $a_obj_id = 0)
        {
                if ($_GET["admin_mode"] == "settings" && $a_child == ROOT_FOLDER_ID)
                {
                        return ilFrameTargetInfo::_getFrame("MainContent");
                }
                else
                {
                        return $this->frame_target;
                }
        }

        
        function getImage($a_name, $a_type = "", $a_obj_id = "")
        {
                if ($a_type != "")
                {
                        return ilObject::_getIcon($a_obj_id, "tiny", $a_type);
                }
        
                return parent::getImage($a_name);
        }

        function isClickable($a_type, $a_ref_id)
        {
                global $rbacsystem;

                return $rbacsystem->checkAccess('read',$a_ref_id);
        }
        
        function isVisible($a_ref_id, $a_type)
        {
                global $rbacsystem, $ilBench;

                if ($this->tree->getParentId($a_ref_id) == ROOT_FOLDER_ID && $a_type != "adm" &&
                        $_GET["admin_mode"] != "repository")
                {
                        return false;
                }

                // these objects may exist due to test cases that didnt clear
                // data properly
                if ($a_type == "" || $a_type == "xxx")
                {
                        return false;
                }
                
                $ilBench->start("Explorer", "setOutput_isVisible");
                $visible = $rbacsystem->checkAccess('visible',$a_ref_id);
                if ($a_type == "rolf" && $a_ref_id != ROLE_FOLDER_ID)
                {
                        return false;
                }

                $ilBench->stop("Explorer", "setOutput_isVisible");
                return $visible;
        }
        
        function modifyChilds($a_parent_id, $a_objects)
        {
                global $lng,$rbacsystem;
                
                if ($a_parent_id == SYSTEM_FOLDER_ID)
                {
                        $new_objects = array();
                        foreach($a_objects as $object)
                        {
                                $new_objects[$object["title"].":".$object["child"]]
                                        = $object;
                        }

                        // add entry for switching to repository admin
                        // note: please see showChilds methods which prevents infinite look
                        if($rbacsystem->checkAccess('write',SYSTEM_FOLDER_ID))
                        {
                                $new_objects[$lng->txt("repository_admin").":".ROOT_FOLDER_ID] =
                                        array(
                                        "tree" => 1,
                                        "child" => ROOT_FOLDER_ID,
                                        "ref_id" => ROOT_FOLDER_ID,
                                        "depth" => 3,
                                        "type" => "root",
                                        "title" => $lng->txt("repository_admin"),
                                        "description" => $lng->txt("repository_admin_desc"),
                                        "desc" => $lng->txt("repository_admin_desc"),
                                        );
                        }
                        ksort($new_objects);
                        
                        return $new_objects;
                }

                return $a_objects;
        }

        function showChilds($a_parent_id, $a_obj_id)
        {
                
                // prevent infinite loop due to (root folder tree) node
                // that is inserted under system admin folder
                if ($a_parent_id == ROOT_FOLDER_ID)
                {
                        if ($this->rootfolder_shown == true)
                        {
                                return false;
                        }
                        $this->rootfolder_shown = true;
                }

                return true;
        }
        
        function forceExpanded($a_obj_id)
        {
                if ($a_obj_id == SYSTEM_FOLDER_ID)
                {
                        return true;
                }
                else
                {
                        return false;
                }
        }


} // END class ilAdministrationExplorer
?>